package day06;

public class Homework2 {

    public static void say(){
        System.out.println("大家好，我叫LJ，今年23岁了");
    }
    public static void sayHi(String name){
        System.out.println("大家好，我叫"+name+",今年23岁了");
    }
    public static void sayHello(String name,int age){
        System.out.println("大家好，我叫"+name+",今年"+age+"岁了");
    }



    public static void main(String[] args) {
        say();
        sayHi("lj");
        sayHello("lj",23);

    }
}
